27c9d80f51
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46 lines
1.3 KiB
Diff
46 lines
1.3 KiB
Diff
--- a/src/drv_mei_cpe_common.c
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+++ b/src/drv_mei_cpe_common.c
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@@ -104,6 +104,8 @@ IFX_uint32_t MEI_FsmStateSetMsgPreAction
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MEI_DEVCFG_DATA_T MEI_DevCfgData;
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#endif
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+static DEFINE_SPINLOCK(MEI_InterruptLock);
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+
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/* ============================================================================
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Proc-FS and debug variable definitions
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========================================================================= */
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@@ -2134,6 +2136,9 @@ IFX_int32_t MEI_ProcessIntPerIrq(MEIX_CN
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#if (MEI_SUPPORT_DEBUG_STREAMS == 1)
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IFX_int_t extraDbgStreamLoop = 0;
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#endif
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+ unsigned long flags;
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+
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+ spin_lock_irqsave(&MEI_InterruptLock, flags);
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/* get the actual chip device from the list and step through the VRX devices */
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while(pNextXCntrl)
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@@ -2167,6 +2172,8 @@ IFX_int32_t MEI_ProcessIntPerIrq(MEIX_CN
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}
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#endif
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+ spin_unlock_irqrestore(&MEI_InterruptLock, flags);
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+
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return meiIntCnt;
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}
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@@ -2639,9 +2646,14 @@ IFX_int32_t MEI_MsgSendPreAction(
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*/
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IFX_void_t MEI_DisableDeviceInt(MEI_DEV_T *pMeiDev)
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{
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+ unsigned long flags;
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+ spin_lock_irqsave(&MEI_InterruptLock, flags);
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+
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MEI_MaskInterrupts( &pMeiDev->meiDrvCntrl,
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ME_ARC2ME_INTERRUPT_MASK_ALL);
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+ spin_unlock_irqrestore(&MEI_InterruptLock, flags);
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+
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return;
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}
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